$OpenBSD: patch-WINGs_Makefile_in,v 1.9 2017/03/29 08:51:24 dcoppa Exp $
--- WINGs/Makefile.in.orig	Mon Mar 13 16:26:42 2017
+++ WINGs/Makefile.in	Wed Mar 29 09:09:48 2017
@@ -516,6 +516,7 @@ libWUtil_la_SOURCES = \
 
 AM_CFLAGS = 
 AM_CPPFLAGS = -DRESOURCE_PATH=\"$(datadir)/WINGs\" \
+	 -DPREFIX=\"$(prefix)\" \
 	 -I$(top_srcdir)/WINGs/WINGs -I$(top_srcdir)/wrlib -I$(top_srcdir)/src \
 	@XFTFLAGS@ @HEADER_SEARCH_PATH@
 
